85.4k views
3 votes
PLEASE HELP !!

Find the value of the expression below.

log3 9
 A.3 
B.2 
C.0.5
D. 27

User Lwolf
by
6.0k points

2 Answers

0 votes
log 10 100 =2
Basically, we have to know how to solve for x in this equation:
10^x = 100

For log3 = 9 we have to solve for x in this equation:
3^x = 9
Therefore, x = 2


User Inwerpsel
by
6.3k points
2 votes
log base 3 (9) can be rewritten as 3^x = 9. Of course 3^2 = 9 so x = 2, which is B above.
User Picca
by
6.4k points